package test.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class TimeFilter implements Filter {
	

	public void destroy() {

		
	}

	public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {
		long startTime = System.currentTimeMillis();
		chain.doFilter(req, resp);
		long useTime = System.currentTimeMillis() - startTime;
		System.out.println("requestUri:" + ((HttpServletRequest)req).getRequestURI() +", useTime:" + useTime +"ms");
	}

	public void init(FilterConfig arg0) throws ServletException {

		
	}

}
